JP2011053683A5 - - Google Patents

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JP2011053683A5
JP2011053683A5 JP2010191014A JP2010191014A JP2011053683A5 JP 2011053683 A5 JP2011053683 A5 JP 2011053683A5 JP 2010191014 A JP2010191014 A JP 2010191014A JP 2010191014 A JP2010191014 A JP 2010191014A JP 2011053683 A5 JP2011053683 A5 JP 2011053683A5
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liquid
display device
state
support plate
pixel
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第１の支持プレートと第２の支持プレートとの間の画素のスペースに互いに混合しない少なくとも１つの第１の液体及び第２の液体を有する複数の画素を有する表示装置であって、前記第２の液体は電気導電性又は有極性であり、前記第１の支持プレートが前記画素内に疎水性層を含んでおり、
当該表示装置の前記画素は、電圧が印加されない少なくとも一つの第１の状態と電圧が印加される異なる第２の状態との間で電気的に切替え可能であり、
前記第１の状態において、前記第１の液体は第１の液体層を形成し、前記第２の液体は前記第１の液体層上に第２の液体層を形成し、前記第１の液体層は前記第２の液体層と前記第１の支持プレートとの間に設けられ、
前記疎水性層は、前記第１の状態において前記第１の液体のみによって隣接され、前記第２の状態において前記第２の液体のみによって隣接される領域を有しており、
前記第１の液体は前記第１の状態及び前記第２の状態において前記画素のスペースに閉じ込められる、
表示装置。 A display device comprising a plurality of pixels having at least one first liquid and second liquid that are not mixed with each other in a pixel space between the first support plate and the second support plate, The liquid is electrically conductive or polar, and the first support plate includes a hydrophobic layer in the pixel,
The pixel of the display device is electrically switchable between at least one first state in which no voltage is applied and a different second state in which a voltage is applied ;
Prior Symbol first state, before Symbol first liquid to form a first liquid layer, said second liquid to form a second liquid layer on said first liquid layer, wherein the first The liquid layer is provided between the second liquid layer and the first support plate,
The hydrophobic layer has a region that is adjacent only by the first liquid in the first state and is adjacent only by the second liquid in the second state;
Before SL first liquid is confined in the space of the pixels in the first state and the second state,
Display device. 前記第２の液体は前記画素の前記スペースに閉じ込められる、請求項１による表示装置。   The display device according to claim 1, wherein the second liquid is confined in the space of the pixel. 前記第２の液体は、幾つかの画素に共通する層を形成する、請求項１による表示装置。   The display device according to claim 1, wherein the second liquid forms a layer common to several pixels. 複数の画素は、前記第１の支持プレートと前記第２の支持プレートとの間の高さより小さい高さに延びる複数の画素壁を有する、請求項３による表示装置。   The display device according to claim 3, wherein the plurality of pixels have a plurality of pixel walls extending to a height smaller than a height between the first support plate and the second support plate. 前記第１の液体は、前記第１の状態及び前記第２の状態において、前記第１の支持プレート及び前記第２の支持プレートのいずれかのみに隣接する、請求項１〜４のいずれか一項による表示装置。   5. The first liquid according to claim 1, wherein the first liquid is adjacent to only one of the first support plate and the second support plate in the first state and the second state. Display device according to the paragraph. 前記第２の状態において、前記第１の液体は、前記第１の支持プレートと前記第２の支持プレートとの間において前記第１の支持プレートの前記領域によって定められる体積を欠いている、請求項１〜５のいずれか一項による表示装置。   In the second state, the first liquid lacks a volume defined by the region of the first support plate between the first support plate and the second support plate. Item 6. A display device according to any one of Items 1 to 5. 画素が画成されたスペースに対応し、前記第２の状態において、前記第２の液体が実質的に完全に前記第１の支持プレートに隣接する請求項１による表示装置。   2. A display device according to claim 1, corresponding to a space in which pixels are defined, and in the second state, the second liquid is substantially completely adjacent to the first support plate. 前記表示装置が、画素内に前記第１の支持プレートの一部の表面において不均一な電界を作る手段を有する請求項１又は７による表示装置。   8. A display device according to claim 1 or 7, wherein the display device comprises means for creating an inhomogeneous electric field in a pixel on a part of the surface of the first support plate. 電極と前記第１の支持プレートの一部の表面との間の誘電層は、厚さが変化する或いは変化する誘電率を有する、請求項８による表示装置。   9. A display device according to claim 8, wherein the dielectric layer between the electrode and a part of the surface of the first support plate has a dielectric constant whose thickness varies or varies. 前記第１の支持プレートの一部の表面は変化するぬれ性を有する、又は前記第１の液体層は変化する厚さを有する請求項１又は７による表示装置。   The display device according to claim 1 or 7, wherein a part of the surface of the first support plate has a wettability that changes, or the first liquid layer has a thickness that changes. 前記画素は、画成されたスペースに対応し、該スペースは別の第１の液体を含み、該別の第１の液体は別の第１の状態において別の第１の液体層を形成し、該別の第１の液体層は前記第２の支持プレートに隣接する、請求項１による表示装置。   The pixel corresponds to a defined space, the space containing another first liquid, the another first liquid forming another first liquid layer in another first state. The display device according to claim 1, wherein the other first liquid layer is adjacent to the second support plate. 前記画素が前記スペースを少なくとも２つのサブ画素に分割する壁部を有し、前記第１の状態において前記別の第１の液体層が両方のサブ画素内で少なくとも部分的に前記第２の支持プレートに隣接する請求項１１による表示装置。   The pixel has a wall that divides the space into at least two sub-pixels, and in the first state, the other first liquid layer is at least partially in both sub-pixels the second support 12. A display device according to claim 11 adjacent to a plate. 前記第１の液体層及び前記別の第１の液体層が異なる色を有する請求項１１による表示装置。   The display device according to claim 11, wherein the first liquid layer and the another first liquid layer have different colors. 前記第２の状態において、前記第１の液体層及び前記別の第１の液体層のうちの少なくともいずれかが前記スペースの壁部に隣接する請求項７、１１及び１２のいずれか一項による表示装置。 In the second state, according to any one of claims 7, 11, and 12, wherein at least one of the first liquid layer and the other first liquid layer is adjacent to a wall portion of the space. Display device. 前記第２の状態において前記第１の液体層及び前記別の第１の液体層の一部が混ざることを防止するための手段を有する請求項１４による表示装置。 The display device according to claim 14 , further comprising means for preventing a part of the first liquid layer and a part of the other first liquid layer from being mixed in the second state. 中間状態を得るための駆動手段を有する請求項１〜１５のいずれか一項による表示装置。   The display device according to claim 1, further comprising a driving unit for obtaining an intermediate state. 当該表示装置に入射する光を吸収又は反射する吸収体又は反射体を有する請求項１〜１６のいずれか一項による表示装置。   The display device according to any one of claims 1 to 16, further comprising an absorber or a reflector that absorbs or reflects light incident on the display device. 前記反射体は拡散性を有する請求項１７による表示装置。   The display device according to claim 17, wherein the reflector has diffusibility. 前記第２の液体は、散乱性を有する液体、反射性を有する液体及び吸収性を有する液体のいずれかである、請求項１による表示装置。   The display device according to claim 1, wherein the second liquid is any one of a liquid having a scattering property, a liquid having a reflection property, and a liquid having an absorption property. 前記散乱性を有する液体はＴｉＯ２を含む、請求項１９による表示装置。 The display device according to claim 19, wherein the scattering liquid includes TiO 2 . カラーフィルタを有する請求項１による表示装置。   2. A display device according to claim 1, comprising a color filter. 前記第１の液体は反射性を有する、請求項１による表示装置。   The display device according to claim 1, wherein the first liquid is reflective. 前記第２の液体は適切な顔料を含む、請求項２２による表示装置。   23. A display device according to claim 22, wherein the second liquid comprises a suitable pigment. 前記第１の液体は前記第２の状態において液滴を形成する、請求項１〜２３のいずれか一項による表示装置。   The display device according to claim 1, wherein the first liquid forms a droplet in the second state. 前記第１の液体は、前記第１の状態において前記画素内で広がり、前記第２の状態において前記画素内で収縮する、請求項１〜２４のいずれか一項による表示装置。   25. The display device according to claim 1, wherein the first liquid spreads in the pixel in the first state and contracts in the pixel in the second state. 前記第１の液体は、前記画素のいずれの状態においても前記第１の支持プレートに隣接する、請求項１〜２５のいずれか一項による表示装置。 Wherein the first liquid is also adjacent to the first supporting plate in any state of the pixel, the display according to any one of claims 1 to 25 devices. 前記第１の液体は、前記第１の状態及び前記第２の状態において前記第１の支持プレートの一部に隣接している、請求項１〜２６のいずれか一項による表示装置。 27. The display device according to any one of claims 1 to 26 , wherein the first liquid is adjacent to a part of the first support plate in the first state and the second state. 前記画素は、静電力を用いて前記第１の液体を前記第１の状態と前記第２の状態との間で切り替える、請求項１〜２７のいずれか一項による表示装置。 The display device according to any one of claims 1 to 27 , wherein the pixel switches the first liquid between the first state and the second state using an electrostatic force. 前記第１の液体は、前記第１の状態から前記第２の状態への切り替えにおいて、前記第２の液体に置き換えられる、請求項１〜２８のいずれか一項による表示装置。 The first liquid, in switching from said first state to said second state, is replaced with the second liquid, the display according to any one of claims 1 to 28 devices. 前記第１の液体及び前記第２の液体は、前記第１の状態において、前記画素の所定の範囲にわたって、実質的に互いに隣接する、請求項１〜２９のいずれか一項による表示装置。 30. The display device according to any one of claims 1 to 29 , wherein the first liquid and the second liquid are substantially adjacent to each other over a predetermined range of the pixel in the first state. 前記第１の液体は散乱性を有する、請求項１による表示装置。   The display device according to claim 1, wherein the first liquid has scattering properties. 当該装置に入射する光を拡散するように反射する拡散性の反射体を含む、請求項１による表示装置。   The display device according to claim 1, comprising a diffusive reflector that reflects the light incident on the device so as to diffuse it.
JP2010191014A 2002-02-19 2010-08-27 Display device Expired - Lifetime JP5068353B2 (en)

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